Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/lib/MC/MCLinkerOptimizationHint.cpp

@@ -1,60 +0,0 @@
-//===- llvm/MC/MCLinkerOptimizationHint.cpp ----- LOH handling ------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCLinkerOptimizationHint.h"
-#include "llvm/MC/MCAsmLayout.h"
-#include "llvm/MC/MCMachObjectWriter.h"
-#include "llvm/Support/LEB128.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cstddef>
-#include <cstdint>
-
-using namespace llvm;
-
-// Each LOH is composed by, in this order (each field is encoded using ULEB128):
-// - Its kind.
-// - Its number of arguments (let say N).
-// - Its arg1.
-// - ...
-// - Its argN.
-// <arg1> to <argN> are absolute addresses in the object file, i.e.,
-// relative addresses from the beginning of the object file.
-void MCLOHDirective::emit_impl(raw_ostream &OutStream,
-                               const MachObjectWriter &ObjWriter,
-                               const MCAsmLayout &Layout) const {
-  encodeULEB128(Kind, OutStream);
-  encodeULEB128(Args.size(), OutStream);
-  for (const MCSymbol *Arg : Args)
-    encodeULEB128(ObjWriter.getSymbolAddress(*Arg, Layout), OutStream);
-}
-
-void MCLOHDirective::emit(MachObjectWriter &ObjWriter,
-                          const MCAsmLayout &Layout) const {
-  raw_ostream &OutStream = ObjWriter.getStream();
-  emit_impl(OutStream, ObjWriter, Layout);
-}
-
-uint64_t MCLOHDirective::getEmitSize(const MachObjectWriter &ObjWriter,
-                                     const MCAsmLayout &Layout) const {
-  class raw_counting_ostream : public raw_ostream {
-    uint64_t Count = 0;
-
-    void write_impl(const char *, size_t size) override { Count += size; }
-
-    uint64_t current_pos() const override { return Count; }
-
-  public:
-    raw_counting_ostream() = default;
-    ~raw_counting_ostream() override { flush(); }
-  };
-
-  raw_counting_ostream OutStream;
-  emit_impl(OutStream, ObjWriter, Layout);
-  return OutStream.tell();
-}